Cement-working machinery



C. M. EBERLING. CEMENT WORKING MACHINERY. I APPLICATION FILED OCT. 27,19I9. 1,407,846, Patented Feb. 28, 1922.

v 8 SHEETS-SHEET I- C G C C 0 \o a c 0 E\ o N O\ 0 Q Q o zd imrvj wi wzizw C. M. EBERLING.

CEMENT WORKINGMACHINEHY.

APPUCATION FILED OCT. 2711919.

Patented Feb. 28, 1922.

3 SHEETSSHEET 2.

C. M. EBERLING.

CEMENT WORKING MACHINERY. I APPLICATION FI'LED OCT. 21. 1919. 1,407,846, Patented Feb. 28; 1922.

8 SHEETS-SHEET 3- .Zilif:

C. M. EBERLINGJ CEMENT WORKING MACHINERY. APPLICATION FILED ()CT. 2], I9l9.

1,407,84 Patented Feb.28,'1922.

I I 8 SHEETS-SHEH 4- a 1 an i C M. EBERLING.

CEMENT WORKING MACHINERY.

APPLICATION FILED on. 21. 1919.

Patented F61 28, 1922.

C.'M. EBERLING; CEMENT WORKING MACHINERY.

APPLICATION FILED OCT. 27, 1919; 1,407,846 I I Patented Feb. 28, 1922.

8 SHEETSSHEET 6.

C- M. EBERLING. CEMENT WORKING MACHINERY.

APPUCATION FILED 00. 21. 1919..

Patented Feb. 28,1922- W o f i r 0 I a, 6x6 f 4 wa C. M. EBERLING.

CEMENT WORKING MACHINERY.

APPLICATION man OCT. 21. 1919.

I 1,407,846, Patented Feb. 28, 1922.

a SHEETS-SHEET a.

UNITED STATES- PATENT OFFICE.

CHARLES M. EBERLING, CLEVELAND, OHIO, ASSIGNOR TO THE EBERLING MACHINERY COMPANY, OF CLEVELAND, OHIO, A CORPORATION OF OHIO.

CEMENT-WORKING MACHINERY.

Specification of Letters Patent.

Patented Feb. 28, 1922.

Application filed October 27, 1919. Serial No. 333,472.

To aZZ whomit may concern: I Be it known that I, CHARLES M. EBERLING, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio,have invented a certain new and useful Improvement in Cement-Working Machinery,of which the following is a full, clear, and exact description, reference being had to the accompanying drawings.

' In the drawings accompanying and forming a part of this application, I :have shown an operative machine embodylng my im provements, although itwill be understood that these views are illustrative only and do not limit me to the features of construc tion or-arrangements shown therein except as the same are'also recited in the claims heretoannexed. In these drawings, Fig. 1 is a top plan view of the complete machine;

1 Fig. 2 is a front elevation thereof; Fig. 3

a rear elevation; Fig.4;a sectional view corresponding to the line 4l4; of Fig. 3 and lookingdownwardly; Fig. 5 is a sectional.

view taken upon .the..line 5 5 of Fig. 41,

lookin in the direction of the arrows; Figs.-

6 and are sectional views corresponding to the lines 6 6 and 7+7, respectively, of the previous views; Fig. 8 is a detail view taken on the line.8-8 ofFig. 7 Fig. 9 is a detail sectional view taken upon the lines 9 9 of Fig. 5; Fig. 1 0,is' a perspective view of one ofgthe compression heads; Fig, 11 is a perspective view of the plunger-head and its plungers; 12 is a perspective view of the knife-head with its knives and cover; and Fig. 18 is a diagrammatic view illustrating the phase-operation of the mechanismj V Describing by reference characters the parts shownin these drawings, 1 represents the supporting frame having a horizontal rectangular top formed at opposite ends with the longitudinal slideways 2 and3 respectively whose preferred construction is detailed in Fig. 6. Traversingv this frame transversely between these two slideways is the horizontal supporting plate 5v defined between lateral guides 6--6. Slidingly mounted in the slideway 2 2 1s a crosshead 8 to the forward face ofwhich are attached a plurality of parallel longi: tudinal piercing elements such as the knives 9 and from whose rearward side projects the steadying plate 10. Rigidly secured to the upper edges of the knives is cover plate 11 (shown to the best advantage in Fig. 12) whose forward end projects beyond the knives and whose upper surface is provided with rollways 12-42. v i f Mounted inthe slideway 33 is a second crosshead 14 from whose forward side project'the spaced parallel piercing elements such as the plungers- 1515, and from whose rearward side projectsthe steadying plate;16. Allthese piercing elements are provided with tapered forward ends as shown in Figs. 11 and 12 and are arranged so that the elements on the one side fall between'the elements on the opposite side as described-and claimed in my earlier patents. In the particular embodiment here shown all the elements 9 are of the full thickness of the mold space, thus producing a number of small tiles each with a single hole therethrough, but it is equally within my invention to form some or all of these elements of smaller size so as to pierce the material without severing the same, or to increase the width of some or all the elements 15, so as to sever the materialinto small units instead of merely piercing the same, as clearly disclosed in my. earlier patents.

At the rearward I plate 5 projects laterally a considerable distance as shown in Figs. 1 and 7 beingtheie formed with the longitudinal slot .17, be

neath which-is provided a slideway 18 in which is mounted a cross-head,.19'which carries the pusher plate 20 which rojects upwardly through the slot 17. ounted above the plate 5 at the rearward side of the machine is a hopper 21 whose bottom is closed by a sliding plate 22 arranged to side ofthe machine the move in suitable Ways 23 in a direction parallel to the slideways 2 and 3, said plate being formed. at .one point with an aperture 24 to permit it. to functionas a valve. One end of this plate is connected by means of a rod 25 with a rigid arm 26 carried by the cross-head 14. The distance between the plates 5 and 22 is sufficient to permit the passage therebetween of suitable pallets, each of which has end walls 28 and a bottom 29, as shown in Figs. 5 and 7. The height of this bottom 29 is such that the severing elements 9 willpass closely thereover, while the piercing elements 15 are elevated sufiiciently t-hereabove so as to pass freelythereover.

Journaled in the frame l'are two transverse horizontal shafts 32, 33 located beneath the slideways 2 and *3, respectively.

Secured to the forward end of the shaft 32 is a gear-wheel 34 meshing with the pinion 35 carried by the drive-shaft 36 which re cei-ves its motion from a belt-pulley 37 through the medium of a worm-gear (not shown) contained in the case 38. i For con trolling the operation of the machine I "have illustrated a suitable clutch 39 associated with said belt-pulley and operated by a hand-lever 40. To the rearward end of the shaft 32 is attached the cylindrical body 41 having in its surface the cam-groove 42 which cooperates with the lever 43 to operate the cross-head 19 at the proper periods. The forward face of the gear 34 carries a wrist-pin 45 on which ispivoted the connecting-rod 46 whose opposite .end is articulated to the free end of a crank 47 rigidly attached to the shaft 33. The throw of the pin 45 is less than the length of the crank 47 so that while the former rotates the latter will only oscillate.

Rigidly secured to the shaft 33 inside the limits of the machineframe is a bell-crank lever 48 having two angula-rly spaced arms 49 and 50, respectively-L To the arm 49 is articulated the drag-link 51 Whose opposite end is connected to a depending bracket 52 carried by the plate 16. To the arm 50 is articulated the connecting-rod53 whose opposite ,end is attached to one end of a lever '54loosely journale d on the shaft 32, the opposite end of said lever being connected through the drag-link55 to .an ear 56 which depends from the plate 10. So far as the lever 54 s concerned, the shaft 32 merely constitutes a pivot, the fact that it is inde- Pend fly r a a le being immaterial.

Carried by the machine frame at eachside of th'e plate 5.v are additional slideways-60 60 which are parallel to ,the slideways 2, 3,

and which may, if desired, constitute a part oftho'se slideways, forward of the respectivecross heads.

I V Located upon opposite srdesof the plate 5 are the transverse headers: 62, respectively, each. .of' which is prov-lded at its ends with longitudinalslides 64764 which fit the respective slideways 60-60. The header 61 consists of a metal beam having apertures 65-65 therethrough (see Fig. 9) adapted for the reception of the elements 1515; the header 62 consists of a similar. beam having slots 66 for the recep- .tion of the elements 99. The height of the respective headers is such that the cover plate 11 will just clear the same as shown in Fig. 5.

Secured to the adjacent faces of the headers 61 and'62 are the header-blocks 67+ 67, which are rigidly supported and spaced from their respective headers by posts 68. Each of these header-blocks is formed with an aperture 69 for the reception of one of the piercing elements 15 and its edge is spaced from the adjacent header an amount sufficient to permit the passage of the sev+v ering elements 9, while its height is the same as that of. thelatter elements.

Rigidly secured to the shaft 32 are the cams 707 1, one at each side of the lever 54. A bell-crank lever '72 has one of its arms pivoted to the machine frame at '73 and has at its other end a roller 74 running on the cam 70, the knee of said leverhaving articulated thereto a link 75 whose opposite end is connected to the ear 76 which depends from the header 62. ,With the arrangement shown in Fig. .5 it will be seen that when the roller '74 is lifted by the cam 70, the toggle will be straightened and the header 62 advanced. In order to break this toggle and retract the header I provide a "pull-rod 77 and spring 78. Pivote'd at one side-of the shaft 32 is a lever 80 having a roller 81 which runs against the cam 71 and has articulated to its free end the rod 82. Pivoted above the shaft 33 is a bell crank lever 83 one of whosearms is connected to the rod .82 andthelother of whose arms is connected bymeans' of a link 84 to a finger-85 which depends from the header 61. Upon the. displacement of the lever 80 by .the cam 71 this'toggle is straightened and the header mina-l elements pass just inside the ends 28,

28 of the palletjso as to withstand the 'compression pressure. When all these elements are knives, the plastic material will be sev ered into small units. After this advance'it is desirable that the cross-head 8 should {,remain in advanced position until the opposite elements have been completely advanced and .advance comparatively slowly.

at least partially withdrawn. During the time that the knives and plungers are in their most advanced position, it is also desirable .to advance the header blocks 67-67, both for the purpose of exerting an additionalcompression effect upon the material and also to produce such a clearance by the subsequent retraction of those blocks as to prevent danger of any disruption of the finished tiles upon the ejection of the pallet. When this movement of the headers is employed it is also desirable that the headers which lie upon the same side as the knives should not be withdrawn until the knives are substantially free from the material, inasmuch as the knives aregenerally flat sided and capable of exerting a continuous friction effect upon the blocks, while the other elements can be withdrawn, if desired, very shortly after the plungershave been released, owing tothe fact that the latter are generally slightly tapered. If

i All these conditions are fulfilled by the mechanism here shown through the medium of the following arrangement and operation: Each revolution of the shaft 32 determines the formation and ejection of a pallet-load of tile. Starting with the parts in the relation shown in the drawings. the rotation of the wheel 341 in the direction shown by the arrow will first cause a forward rocking of the crank 47 and bell crank 48 At the beginning of the stroke the arm 50 is substantially at right angles to the drag-link 53, as a a consequence of which the elements9 and cover 11 are advanced very rapidly, while the obliquity of the arm 49 relatively to its connecting rod 51causes the elements 15 to As a-result of this, the cover plate is enabled to move completely across the mold space by the time theopposite elements enter the same, while at the same time the progression of this v movement reverses these angular relations,

increasing the speed of the elements 15, and

- decreasing the speed of the elements 9 until in the position shown in dotted lines in Fig.

13, the latter have been brought completely to rest. At this instant the lever arm i9 is subsantially perpendicular tothe draglink 51 and the wrist pin 45 is approaching its dead center. Preferably the arrangementiof the levers 47 and 48 is such thatthe arm 50' movesslightly beyond dead center as shown in Fig. 13, which produces, first a slight retractionof the knives and then a slight advance thereof prior to their movement of complete retraction. The cams 7O and 71 are so adjusted relatively to their rollers 7 4. and 81 that .the advancing movement of the headers will. occur at the time 'of greatest advance of the piercing and severing elements. The continued forward rotation of the gear 34 first causes the elements 15 to be retracted while at the same instantthe elements 9 are first advanced veryslightly and then retracted, slowly at first and then with advance of the cross-head 14) into the moldv space, which in turn serves to eject the pallet with its completed blocks upon a receiving apron 90, shownin dotted lines in Fig. 7.

The cams 7 0 and71 are so arranged as to ad-,

vance the headers '61 and 62 substantially at the time of maximum advance of cross-heads 8 andl. The cam 70, however, is preferably "made of less angular extent than the cam 71 so thatthe header 61 will be withdrawn comparatively quickly while the profile andangle of the cam 71 are sochosen that the header 52 will not be withdrawn until thecorresponding elements have been nearly or quite withdrawn. The cover 12 is held against the bursting pressure by means of rollers,9292 carried by the frame and engaging the rollvvay' 1212.

It will be understood that many changes in details and" arrangement can be made without'departing from my invention which is defined only y the Prior art/and the claims hereto annexed,

'Having thus described my invention, what I claim is:- a s 1. In a device ofthe character described, the combination with a support for plastic material, of two mechanisms located upon opposite sides thereof and adapted to operate on such material, a bell crank levem' connecting rods connected to the arms of, said lever and havingftheinopposite ends operatively connected to said mechanisms respectively, and means for oscillating said, lever, the anglebetween said arms and their respective connecting rods being, such that one of said mechanisms will, bemoved to and held in operating position during the time that the other mechanism is being advanced and retracted, whereby said-mechanisms are caused to operate successively.

. 2; Inafd'evice of thelchfaracter described,

the combinationfwith a support for plastic] material, of two ;mechanism s"located upon, opposite sides 'thereof and adapted to; op-

erate on such material, a bell, crank lever, connecting rods connected to the arms of said lever and having their, opposite ends operatively connected to said mechanisms: respectively, and means for oscillating said.

lever, theangle between said arms being such that eachi ofthe same will be moved from a position of quadrature'to that of substantially dead center as respects its connecting rod duringlthetime that the other, arm is moved from substantial dead, center to substantial quadrature, iwhereby said mechanisms are caused. to a operate succes sively. v i

3 In ardevice of the character described, the combination with a support for plastic material of two dissimilar reciprocatory mechanisms adapted to operatenupon such material, a pair of parallel. shafts'journaled perpendicularly to the direction 'of movement of said mechanisms, means for rotating one of said shafts, operative connections between said shafts whereby the other shaft will vbe-oscillat ed upon such rotation, a pair of arms carried by'said other shaft, and

link-connections between each arm and. one

of said mechanisms, said levers beinginount ed at, an angle to each other wherebysaid ,mechanisnis will be operated: in a, different phase. v

4, In a device of ofsuch. reciprocation, a pair of arms car:

ried, by said "shaft andjmakingxan,oblique angle relatively, to each other link-connec tions between each arm and one loft said mechanisms, and means for oscillating said shaft, soas. to bring said arins, one into I, line and the other into quadr'aturewith their; roe-a spective links. t I i a j 5, Ina device of the character described, the combination with a support for plastic material of two reciprocatory mechanisms adapted to operate upon such material, a shaftcjournaled' transversely of the direction of such reciprocation, a'pairofarmsfcarried byflsaid shaft,,link connections between each armand'on'e of said mechanisms, and means f Qwlla ms a ds a t; sai arms prop r ngfrom ai ha t s' ch n, a gl to ea hf ther 1 t to their 1 esi y summ ns.

that} one of: saidarms during its oscillation.

wilFpa-s's'the dead center or; its link-conne'c tfio'n at substantially the Same time that the Qtheriar j O Q n? ua rat re with t nk conn ct 16} a device off}the character; described,

the antiwar with a suppor 3 mean r mov pa le s n a ni isr e s r sr lii n er fit ntlyi l g s suppo t, "of

W011 pr efie me ha ms a p ed p ra on h m teri tk shaft Pe us dieuiarto the-direction of suchfreciprocajo t Pa rof, r ireitisf rme rried. y saidshaft, link; devlces-con-necting each? of' aidiar iis t0 e ie of said mec n m a means for oscillating said shaft, saidfarms hein'ggarrangedjso that one of them will pass: beyond th d a cen r 0f7its' rr ponding link-cQImection at, each oscillation, and one jf. s d linls dev es j empr si ega ev rs ng H the character described, thefcombination with a su port for plastic material of two reciprocatory mechanisms adapted to ,operate upon such material, a shaft journaled transversely of the direction leverwhereby both mechanisms-may be op erated simultaneously.

"Z. In a device of the character described,;

the combination with a support for plastic f material, of, two reciprocatory mechanisms adaptedtoioper ate upon such, material, a

shaftperpendicular to the direction of such reciprocation, a rock-lever journaled on "an anisparallelto said shaft, a pairof arms carried bysa1dshaft, a 'connect ng rodqbetween one ofsaid arms and one end of said:

axis parallel to said shaft, a pair of armsv carried by said shaft, a connecting rod be tween, one of said arms and one end of said rock levver, and links attached to said mechanisms and attached, the one to the other of, said arms and. the other to the opposite,

end of saidflever, the angle between said arms beingsuchthat one is in line with its attached member while the other is substantially perpendicular to its member. 7 c

,9 In a de'vice of the character described, the

adapted tooperate upon such material, a pair of parallel shafts perpendicular to the directionof such reciprocation, a pair of diverging arms rigid 'with one of said shafts, a rock-lever loosely mounted on the other shaft, a connectng rod between one of said arms and one end of said-levena link' attached to each mechanism and connected, one "to the other arm and the other to the opposite endof said lever, means for rotating the shaft on which said leverisii mounted, "and" connections between said combination with a support for plastic materiahoftwo reciprocatory mechanisms shafts whereby the other'shaft is feare upon such rotatio'ni 10. In a deviceof thecharacterdescribed, e combination with a support for. plastic material, of two recl'procato'ry mechanisms.

adapted to operate upon such material, a

pair of parallel shafts'f perpendicular to. the: directionfoffsucli'reciprocation, a pair of diverging arms rigid'with onefof said sh'afts, arock-lever loosely mounted on the other shaft, a connectingr'odbetween one of said arms and one endof said lever, a linkjattached to each mechanismxand connected, one to the other arm and the other to thejopposite'end of said lever,means for rotating, the shaft on which said lever is mounted," and connections between said shaftsIwherebyYthe other shaft is rocked upon such 'rotati'on ,j and. cam-rneans carried by said rotating shaft adapted to perform yet another operation upon said plastic material.

11. In a device of the character described, the combination with means for supporting plastic material, of header members movably supported upon opposite sides thereof and having apertures, cutting and piercing mechanisms located upon the opposite sides of such supporting means outside of said headers and adapted for advance and retraction through the apertures thereof, a pair of parallel shafts, a rock-lever loosely mounted on one of the shafts, a pair of diverging arms rigidly mounted on the other shafts, a link operatively connected to each of said cutting and piercing mech anisms, the opposite ends of said links being connected, one to said lever and one to one of said arms, means connecting the other arm to the opposite end of said lever, means for rotating the shaft on Which said lever is mounted, means connecting said shaft to the other shaft adapted. to oscillate the latter upon each rotation of the former, and cammeans on saidfirst shaft adapted once in each revolution to advance said headers toward said plastic material and then withdraw the same.

In testimony whereof, I hereunto aflix my signature.

CHARLES M. EBERLTNG. 

